Finding the Fourth Proportional to 10,075.72, 13,904.56 and 5,599.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,075.72 : 13,904.56 = 5,599.52 : x
2. Step 2: Convert to fraction form
   10,075.72/13,904.56 = 5,599.52/x
3. Step 3: Cross multiply
   10,075.72x = 13,904.56 × 5,599.52
4. Step 4: Simplify right side
   10,075.72x = 77,858,861.81
5. Step 5: Solve for x
   x = 77,858,861.81/10,075.72
6. Step 6: Final answer
   x = 7,727.37